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Did they give any indication on time? The Y axis is so under powered with the single stepper and would do the upgrade in a heart beat.
skynet schrieb: Answer is no. The good news is that since I published my mod, Stepcraft got in touch and they will release an upgrade pack with a new control unit and all the parts needed to have the two y-axis motors.
I set the tension on the rails/roller to produce the recommended 1kg (10nm) required to move it.
peterg1000 schrieb: Sorry to disagree here - if the machine is properly adjusted there is adequate power in the standard motors. I can achieve slew rates of over 3000mm/min on all axes on my 420/2.
I actually measured the torque required to move the Y axis once adjusted, and found it to be less than 10% of the rated torque of the stepper.
skynet schrieb: I'm still waiting for news. I don't have a date yet.
peterg1000, could be, but it makes it quite sensitive do get the "proper adjustment". While it might seem trivial to you, it seems like it isn't for most people. There's also a lot of people who will be very happy not to have to deal with the belt ever again.